Leveraged extensive Java expertise to design, develop, and maintain robust security solutions for supply chain of software. Collaborated effectively with management and colleagues to deliver high-impact features on time and within budget. Took partin the entire development life-cycle.

• Optimized existing Java codebase for improved performance and maintainability to increased efficiency.
• Designed and implemented features to enhance vulnerability and license detection in customer's source code.
• Took part in re-design of ScyllaDB schema to increase latency.

Developed and maintained scalable e-commerce applications, utilizing Java and Spring Framework and integrating with various payment aggregators to facilitate secure and seamless online transactions. Worked collaboratively within cross-functional teams to deliver high-performance solutions that met business objectives.

• Developed Java APIs using Project Reactor for integration with payment gateways for reliable payment processing.
• Migrated legacy Java applications to a modern Microservices Architecture to improve scalability and maintainability.
• Actively participated in Code Reviews, fostering a collaborative development environment within the team.

Developed and maintained enterprise-grade applications for E-Commerce customers using Java, Spring Framework, and Cloud Services. Managed the entire development life-cycle from requirements gathering to development and testing.

• Created and developed a Sourcing service to solve sourcing problem, which significantly reduced delivery costs.
• Participated in the development of a IVR bot for a call center using DialogFlow.
• Optimized architecture to reduce cost of cloud resources in GCP.

Took part in development and testing services for customers. Involved in full life-cycle of a application - from gathering requirements to production operation.

• Acted as a Team Lead on one of the projects.
• Finalized and put into operation a government application for controlling advertising.
• Implemented Event-Sourcing data migration to provide better reporting.

Developed service and billing platform for GSM providers. Implemented FRAUD detection in user’s services. Also preformed analysis of traffic and GSM-services.

• Developed new services for GSM providers and refactored old.
• Participated in the analysis of BigData that helped to optimize fraud detection.
• Gained experience in the MapReduce approach in MongoDB.